Oral session
9-1. Microbiological Studies on The Crater Lakes and Thermal Water Flow, after The eruption of Karymsky Volcano, Kamchatka, Russia. (K. Sugimori, H. Igarashi, S.M. Fazlullin, S.V. Ushakov, G.A. Karpov, K. Watanabe, S. Takayama).
9-2. Lake Nyos and Lake Monoun Degassing Experiments : Evaluation of Safety Parameter in Order to Monitor The Instability Hazards During the Degassing Process. (Halbwachs, M., Tietze, K.)
9-3. Bathymetric and Geochemical Study on Kawah Ijen Crater Lake, in Java, Indonesia. (Takano, B., Suzuki, K., Sugimori, K., Fazlulin, S.M., Bernard, A., Sumarti, S.)
9-4. Geochemistry, Seasonal Variations and Environmental Impact of Hyperacidic River Water, Discharged from Ijen Crater Lake, East Java, Indonesia. (Sri Sumarti, M. J. Van Bergen, Sukarnen)
9-5. Degassing of Lakes Nyos and Monoun Takes Off (G. Tanyileke, M. Kusakabe, K. Nagao, T. Ohba, W.C. Evans and G. W. Kling)
9-6. Geochemical and Temperature Monitoring of The Crater Lake of Kelut Volcano, Indonesia. (Bernard A., Sumarti S., and Halbwachs, M.)
9-7. Acid Crater Lake Fluids. (Varekamp, J.C.)
9-8. Copahue Crater lake, Argentina. (Ouimette, A.P., Varekamp, J.C., Delpino, D., Bermudez, A., and Kreulen, R.)
9-9. On The Origin of Magmatic Fluids in Crater Lakes : Evidence from I-129 and Cl-36 Determinations (Fehn, U., Snyder, G.T. and Varekamp, J.)
Poster session
9-1. Geochemical, Mineralogical, and Isotopic Study of the Acid Crater Lakes of Kaba Volcano (Sumatra, Indonesia). (Gevaert, S. and Bernard, A.)
9-2. Influence of Endogenic Factors on Water Acidation and Death of Biota in The Caldera Lake Karymskoe (Kamchatka). (Karpov, G.A. and Lupikina, E.G.)
9-3. Changes of The Hot Crater Lake of Poás Volcano Between 1993-2000, Costa Rica. ( María Martínez, Erick Fernandez, Vilma Barboza, Wendy Sáenz, Juan Valdés, Jorge Barquero, Eliécer Duarte, Eduardo Malavassi)
9-4. New Data About EL Chichon Crater Lake. (Taran, Y., Varley, N.)
9-5. One of The Possible Formation Mechanisms of Temporary Lakes in The North-Eastern Crater of Mutnovsky Volcano (Kamchatka). (G.M. Gavrilenko)
9-6. The Acid Crater Lake of Santa Ana Volcano (El Salvador), (Escobar, C.D., Orantes, M., Bernard, A., Mac Phail, K., Grunewald, U., and Rose, W.I.)
9-7. Poás Volcano : Recent Changes in Polythionates Concentration In The Hot Crater Lake Suggest Important Changes in Volcanic Activity Between 1991-2000, Costa Rica. (María Martínez, Erick Fernández, Bokuichiro Takano, Vilma Barboza, Wendy Sáenz, Juan Valdés, Jorge Barquero, Eliécer Duarte, Eduardo Malavassi)
9-8. Volcanic Contributions to pollution of Surface Waters in The Upper Citarum Basin (West Java, Indonesia). [(Terry Sriwana, Sri Sumarti and Manfred J. Van Bergen)
9-9. Permanent Monitoring of The Aoba Crater lake, Ambae Island, Vanuatu. (Lardy, M., Halbwachs, M., Charley, D.)
9-10. Formation and Evolution of The Crater lake of Mount Pinatubo, Philippines, 1991 to Present. (Stimac, J., Goff, F., Counce, D., Ramos, E., Torres, R.)
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